Samsung Galaxy Watch6 Study Shows Potential to Predict Fainting Episodes With AI and Biosignal Tracking

Samsung Malaysia has announced that a joint clinical study with Chung-Ang University Gwangmyeong Hospital successfully validated the ability to predict vasovagal syncope (VVS) with high accuracy using biosignals collected from the Samsung Galaxy Watch6.

Vasovagal syncope occurs when a person’s heart rate and blood pressure suddenly drop due to factors such as excessive stress, causing temporary loss of consciousness. While the fainting episode itself is usually not life-threatening, sudden falls may result in serious secondary injuries including fractures or concussions, making early prediction especially important.

“Up to 40% of people experience vasovagal syncope over their lifetime, with one-third experiencing recurrent episodes,” said Junhwan Cho. “An early warning could give patients advance time to get into a safe position or call for help, which would dramatically reduce the incidence of secondary injuries.”

The joint research team, led by Professor Cho, evaluated 132 patients with suspected VVS symptoms during induced fainting tests. Using the Galaxy Watch equipped with a photoplethysmography (PPG) sensor, researchers analysed heart rate variability (HRV) data through an AI-powered algorithm.

The model successfully predicted impending fainting episodes up to five minutes in advance with 84.6% accuracy, alongside a clinically meaningful sensitivity of 90% and specificity of 64%.

“This study is an example of how wearable technology can help shift healthcare from being designed for post-care to a model of preventive care,” said Jongmin Choi. “We are committed to driving technological innovation that empowers our users to lead healthier everyday lives.”

The findings were published in Volume 7, Issue 4 of the European Heart Journal – Digital Health, marking the world’s first study to demonstrate the potential for a commercial smartwatch to provide early prediction of syncope.

Samsung said it plans to further enhance the health monitoring capabilities of its wearable ecosystem while expanding collaborations with leading medical institutions. The company aims to continue advancing personalised and preventive digital healthcare solutions through its wearable technologies.

Great Deals in May

From 11 May to 21 June 2026, customers who purchase the Samsung Galaxy Watch Ultra will receive a Samsung Galaxy SmartTag2 worth RM149 and a 15W Power Adapter without cable worth RM59 as complimentary gifts.

In addition, until 24 May 2026, customers who purchase selected smartphones can enjoy 15% off selected Buds, Watch and Tab models. Customers can visit the Samsung Online Store, Samsung Experience Stores or authorised Samsung retailers nationwide for more information.